Rosen, Kenneth H. Discrete mathematics and its applications [Book] / Kenneth H. Rosen. - 2nd ed. - New York : McGraw-Hill, c1991. - xxii, 661 [131] p. : ill. ; 25 cm. All. ISBN: 0070537445 : Subjects--Topical Terms: Mathematics.Computer science--Mathematics. Dewey Class. No.: 511